an/Prc-77 Vehicle Communication System

• Wire Material: PU
• Color: Black
• Type: Mk-1697/G
• Communication: Wired
• Usage: Intercom
• Function: Microphone, Waterproof, Noise-Cancelling
• Model NO.: PTE-747N
• Jack Diameter: U229
• Jack Type: Plug-in
• Transport Package: Inner Box
• Specification: 3.5kg
• Trademark: Power-Time
• Origin: China
• HS Code: 8518900090
• Production Capacity: 5000pieces / Month

Product Description

Product Description

MK-1697/G

Headset microphone.

Alternate part number: SM-B-933819

NSN: 5965-00-313-8958

Model No.	PTE-747N
Original No.	MK-1697/G
Alternative PN	SM-B-933819
End connector	U229

Microphone M-138/G , dynamic (5965-00-937-1851)

• Impedance : 150 +-15 Ohm at 1000 Hz
• Sensitivity: More than - 56 dB at 1000 Hz
• Frequency : 0.3 ~ 3.5 KHz
• Humidity: Max 95%

Earphone M-139/G , (5965-00-076-8026) SM-B-933867

• Impedance : 1000 Ohm at 1000 Hz (as 2 ea is connected parallel circuit, total impedance is 500 Ohm)
• Sensitivity : 100 ~ 3500 Hz
• U-161 connector is available.
•  Inner Liner Size : medium (standard)
•  Set Weight (Approximately) : 1.6 Kg
•  Shell : Standard (FRP)

Application

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